参考资料:
[1] Peter Maria Schuster Moving the stars : Christian Doppler, his life, his works and principle, and the world after.
[2] Eden A. The Search for Christian Doppler[J]. Isis, 1994(4):1-4.
[3] Jonkman E J. Doppler research in the nineteenth century[J]. Ultrasound in Medicine & Biology, 1980, 6(1):1-5.
[4] https://en.wikipedia.org/wiki/Christian_Doppler
[5] http://www.visit-salzburg.net/sights/christiandoppler.htm